72 lines
1.3 KiB
PHP
72 lines
1.3 KiB
PHP
<?php
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/**
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* Base Custom Database Table Class.
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*/
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namespace WP_Ultimo\Database\Engine;
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// Exit if accessed directly
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defined('ABSPATH') || exit;
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/**
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* The base class that all other database base classes extend.
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*
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* This class attempts to provide some universal immutability to all other
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* classes that extend it, starting with a magic getter, but likely expanding
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* into a magic call handler and others.
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*
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* @since 1.0.0
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*/
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abstract class Table extends \BerlinDB\Database\Table {
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/**
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* Table prefix.
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*
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* @since 2.0.0
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* @var string
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*/
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protected $prefix = 'wu';
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/**
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* Caches the SHOW TABLES result.
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*
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* @since 2.0.0
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* @var bool
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*/
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protected $_exists;
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/**
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* Overrides the is_upgradeable method.
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*
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* We need to do this because we are using the table object
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* early in the lifecycle, which means that upgrade.php is not
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* available.
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*
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* @since 2.0.0
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* @return boolean
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*/
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public function is_upgradeable() {
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if ( ! is_main_network()) {
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return false;
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}
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return (bool) is_main_site();
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}
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/**
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* Adds a caching layer to the parent exists method.
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*
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* @since 2.0.0
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* @return boolean
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*/
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public function exists() {
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if (null === $this->_exists) {
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$this->_exists = parent::exists();
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}
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return $this->_exists;
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}
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}
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